497644571 has 2 divisors, whose sum is σ = 497644572. Its totient is φ = 497644570.

The previous prime is 497644541. The next prime is 497644573. The reversal of 497644571 is 175446794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497644571 - 2¹⁰ = 497643547 is a prime.

Together with 497644573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (497644573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248822285 + 248822286.

It is an arithmetic number, because the mean of its divisors is an integer number (248822286).

Almost surely, 2^497644571 is an apocalyptic number.

497644571 is a deficient number, since it is larger than the sum of its proper divisors (1).

497644571 is an equidigital number, since it uses as much as digits as its factorization.

497644571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 497644571 is about 22307.9486058221. The cubic root of 497644571 is about 792.4522269165.

The spelling of 497644571 in words is "four hundred ninety-seven million, six hundred forty-four thousand, five hundred seventy-one".